package Servlet;

import DAO.CustomerDAO;
import DAO.DAOFactory;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;

@WebServlet ("/deleteCustomer")
public class deleteCustomerServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req,resp);
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setCharacterEncoding("UTF-8");
        req.setCharacterEncoding("utf-8");
        String CustomerID = req.getParameter("CustomerID");
        CustomerDAO customerDAO = (CustomerDAO) DAOFactory.getCustomerDAOInstance();
        PrintWriter out = resp.getWriter();
        resp.setContentType("text/html;charset=utf-8");
        try {
            if(customerDAO.deleteCustomer(CustomerID)){
                out.print("<script>alert('删除成功!'); window.location='CustomerManager' </script>");
            }else{
                out.print("<script>alert('删除失败!'); window.location='CustomerManager' </script>");
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
